| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 702095000 | Coordinate positioning | 89 |
| 20080208501 | Method For Determining and Correcting Incorrect Orientations and Offsets of the Sensors of an Inertial Measurement Unit in a Land Vehicle - An inertial measurement unit (IMU) contains three linear acceleration sensors and three rotational speed sensors. For the sensors there are desired installation directions parallel to the co-ordinate axes of a Cartesian co-ordinate system which is fixed to the vehicle. The actual installation directions of the sensors may differ from the desired installation directions owing to incorrect orientations. By comparing accelerations which are measured by the linear acceleration sensors for different attitudes of the vehicle with acceleration values which are known for these different attitudes in the Cartesian co-ordinate system which is fixed to the vehicle, the actual installation directions of the linear acceleration sensors are determined. By using a co-ordinate transformation it is then possible to convert the measured accelerations into the actual accelerations. | 08-28-2008 |
| 20080243416 | GLOBAL CALIBRATION FOR STEREO VISION PROBE - A method for global calibration of a multi-view vision-based touch probe measurement system is provided which encompasses calibrating camera frame distortion errors as well as probe form errors. The only required features in the calibration images are the markers on the touch probe. The camera frame distortion calibration comprises an iterative process that depends on a portable calibration jig and the touch probe, but that process is unaffected by probe form distortion errors in the touch probe and/or tip. The probe tip position calibration depends on applying the results of the camera frame distortion calibration. When the same probe tip is used throughout the global calibration, the probe tip position calibration uses images from the set of images used by the camera frame distortion calibration. The global calibration method is particularly advantageous for low cost portable versions of multi-view vision-based touch probe measurement systems. | 10-02-2008 |
| 20080243417 | Magnetometer normalization - Systems and methods for correcting received magnetometer coordinates of a measured magnetic bearing are disclosed. The measured magnetic bearing may be received from a calibrated magnetometer configured to measure the strength and direction of a magnetic field. In embodiments used to navigate a geographical area, the magnetic field comprises, at least in part, Earth's magnetic field. The magnetic field is subject to anomalies caused by metal structures in the vicinity of the magnetometer. The corrected magnetic bearing is based on a slope of the coordinates relative to a defined origin and a magnetic field constant, such as Earth's magnetic field constant. In some embodiments, the received magnetometer coordinates are filtered prior to correction. In some embodiments, a magnitude of the measured magnetic bearing relative to the defined origin is compared to an anomaly detection limit and a bearing validity indicator is output according to the result of the comparison. | 10-02-2008 |
| 20080249731 | FITTING MEASURED DATA POINTS TO TOLERANCE ZONES HAVING REGARD FOR THE UNCERTAINTY OF THE MEASUREMENTS - Measurement data collected within a measurement frame of reference is fitted to geometric tolerance zones having regard for the uncertainties of the measurement. Geometric freedoms for fitting the measurement data are exploited to fit uncertainty zones associated with the measurement data within the tolerance zones. Typically, the measurement data is multidimensional and the uncertainty zones have different sizes. | 10-09-2008 |
| 20080255789 | INFORMATION PROCESSING APPARATUS AND INFORMATION PROCESSING METHOD - An orientation measurement value acquisition unit ( | 10-16-2008 |
| 20080294363 | System and method for characterizing color separation misregistration utilizing a broadband multi-channel scanning module - A system and method for characterizing color separation misregistration of a multi-color printing system utilizing a broadband multi-channel scanning module, such as an RGB scanner, are provided. The system and method include generating a spectral reflectance data structure corresponding to a broadband multi-channel scanning module. The spectral reflectance data structure includes at least one parameter. The at least one parameter may correspond to the broadband multi-channel scanning module and/or a printing module. The system and method further provide for calibrating a spectral-based analysis module by utilizing the spectral reflectance data structure. The system and method also include characterizing color separation misregistration utilizing the calibrated spectral-based analysis module by examining at least one plurality-separation patch. | 11-27-2008 |
| 20080294364 | Two-dimensional lattice calibrating device, two-dimensional lattice calibrating method, two-dimensional lattice calibrating program and recording medium - A two-dimensional lattice calibrating device includes: a measuring unit that measures respective positions of marks for each of a plurality of measurement dispositions; a simultaneous-equations generating unit that generates simultaneous equations for acquiring deviations of the plurality of marks using a coordinate relational equation and a least-squares conditional equation that sets least-squares lines that minimize the deviation of actual position of the marks based on measurement values as coordinate axes of artifact coordinates; and a simultaneous-equations calculating unit that solves the derived simultaneous equations. | 11-27-2008 |
| 20090012734 | METHOD AND DEVICE FOR CALIBRATION OF DIGITAL CELESTIAL SENSOR - A method for calibration of a digital celestial sensor is disclosed. The method comprises the following steps: firstly, an integrated mathematic model for imaging of a celestial sensor is established according to external and internal parameters of the calibration system of the celestial sensor. Secondly, by rotating two axes of a rotator by different angles, calibration points data are acquired and sent to a processing computer through an interface circuit. Finally, a two-step calibration program is implemented to calculate the calibration parameters by substituting calibration points' data to the integrated mathematic model. The disclosure also relates to an application device of the calibration method, wherein the device comprises: a celestial simulator to provide simulated sunlight or starlight, a two-axis rotator to acquire different the calibration points' data, a processing computer to record the calibration points' data and calculate the calibration parameters. The calibration method and device apply to many kinds of digital celestial sensors. By integrating external and internal parameters modeling, the disclosure improves the calibration precision. Meanwhile, the whole calibration process is simplified because precise installation and adjustment is not required. | 01-08-2009 |
| 20090024343 | METHOD OF DETERMINING GEOMETRIC ERRORS IN A MACHINE TOOL OR MEASURING MACHINE - A method of determining geometric errors in a machine tool or measuring machine having a mobile unit for moving a target within a measuring volume, the method including the steps of determining a first direction within the measuring volume; moving the target into a number of points along the direction by means of the mobile unit; measuring, by means of a measuring device, the abscissa of each of the points from an origin located along the first direction; acquiring the coordinates of each of the points by means of the machine; repeating the foregoing steps for a number of directions within the measuring volume; and determining error parameters of the machine on the basis of the abscissas measured by the measuring device, and the coordinates of the points acquired by the machine. | 01-22-2009 |
| 20090024344 | Method for correcting an error of the imaging system of a coordinate measuring machine - A method for correcting an error of the imaging system of a coordinate measuring machine is disclosed. The position of at least two different edges of at least one structure on a substrate is measured. The substrate may be automatically rotated into another orientation. Then the position of the at least two different edges of the at least one structure is measured on the rotated substrate. Based on the measurement data, a systematic error of the imaging system is eliminated. | 01-22-2009 |
| 20090030639 | Method for Correcting Measured Values Resulting from the Bending of a Substrate - A method for correcting the measured values of positions of structures ( | 01-29-2009 |
| 20090030640 | SUBSTRATE AND MASK ALIGNING APPARATUS - A substrate and mask aligning apparatus includes a controlling portion | 01-29-2009 |
| 20090037128 | SURFACE TEXTURE MEASURING INSTRUMENT - A surface texture measuring instrument includes: a movement-estimating unit for estimating a movement condition of a drive mechanism based on a scanning vector command issued by a scanning vector commander to calculate an estimated operation state quantity; and a correction-calculating unit for correcting a detection value of a drive sensor in accordance with the estimated operation state quantity calculated by the movement-estimating unit. The movement-estimating unit includes: a nominal-model setting unit in which a nominal model representing signal transfer function of the scanning vector command from the issuance of the scanning vector command to a reflection on a movement position of the scanning probe is stored. The correction-calculating unit includes a correction-amount calculating unit that calculates a correction amount for correcting a measurement error generated on account of deformation during the drive of the drive mechanism based on the estimated operation state quantity; and a measurement data synthesizing unit that synthesizes the detection value of the drive sensor and a detection sensor and the correction amount calculated by the correction-amount calculating unit to acquire a measurement data. | 02-05-2009 |
| 20090048799 | Roundness measuring device, method and program for measuring roundness - A roundness measuring device obtains an eccentric position of a measured object with respect to a rotation axis in measuring roundness of the measured object by rotating and driving the measured object. The roundness measuring device includes: a measurement acquisition unit obtaining, as measurements, rotation angles of the measured object and distances from the rotation axis to a surface of the measured object, the distance corresponding to the rotating angle; and an eccentricity calculation unit setting a circular correction circle with its center position provided as variable parameters, calculating the center position of the correction circle that minimizes sum of squares of distances between each of the measurements and the correction circle, in a direction from each of the measurements toward the center position of the correction circle, and determining the center position of the correction circle as the eccentric position. | 02-19-2009 |
| 20090055118 | Method of path planning - A method for planning the trajectory of an apparatus, such as an articulating probe head, mounted on a coordinate positioning apparatus, such as a CMM. It is determined whether for a given trajectory, the angular velocity or acceleration of the apparatus about a rotational axis of the apparatus will exceed a predetermined threshold. If so, parameters are adjusted so that the angular velocity or acceleration do not exceed the threshold. | 02-26-2009 |
| 20090070059 | Method for correcting measuring errors caused by the lens distortion of an objective - A method for correcting the measuring errors caused by the lens distortion of an objective in a coordinate measuring machine is disclosed. For a plurality of different types of structures, the lens distortion caused by an objective is determined in an image field of the objective. The position of a type of structure is determined in the image field of the objective by a measuring window. The correction of the lens distortion required for the type of structure to be measured is retrieved from the database as a function of the type of structure to be measured. | 03-12-2009 |
| 20090082986 | MODULAR CALIBRATION - A modular calibration method for a CMM, comprising preliminary calibration steps of several components prior to its mounting. The preliminary calibration steps yield specific mapping information for each calibrated component, which are then stored into map files generated and associated to the calibrated components. A final alignment takes place after once the CMM is mounted, which processes mapping information gathered during the preliminary calibration steps. | 03-26-2009 |
| 20090125265 | Method for Calibrating a Laser-Based Spherical Coordinate Measurement System by a Mechanical Harmonic Oscillator - A method is disclosed whereby a laser-based spherical coordinate measurement system is dynamically calibrated. A mechanical oscillator, such as, but not limited to, a Foucault pendulum is used to generate periodic motions which can be fitted to Fourier series models. The residuals between the experimental measurements and the model can provide information which can be used to calibrate the instrument. The calibration information is used to augment the ASME B89.4.19-2006 standard to improve sensitivity to cyclic errors and include the servo systems. | 05-14-2009 |
| 20090150108 | Hysteresis compensation in a coordinate measurement machine - A single-scale, single-drive coordinate measuring machine that compensates for hysteresis error caused by friction at the non-driven end of the bridge. The coordinate measuring machine is calibrated to estimate hysteresis effects at one or more distances from the scale. Measurements of workpieces are adjusted based on the calibration data and the distances of the carriage from the scale at the point of the measurements. The scale and the drive system may be positioned on opposite guideways. | 06-11-2009 |
| 20090157342 | METHOD AND APPARATUS OF USING DRIVE TEST DATA FOR PROPAGATION MODEL CALIBRATION - A method using drive test data for propagation model calibration includes: step | 06-18-2009 |
| 20090171610 | Surveying instrument and surveying compensation method - The present invention provides a surveying instrument, which comprises rotating units ( | 07-02-2009 |
| 20090254295 | POSITION DETECTING DEVICE AND METHOD - A position detecting device for a motor includes a resolver, amplifiers and a microcomputer. The microcomputer corrects an amplified sine wave signal to have the same amplitude in both positive and negative polarities, and corrects an amplified cosine wave signal to have the same amplitude in both positive and negative polarities. The microcomputer further corrects the corrected sine wave signal or the corrected cosine wave signal to have the same amplitude therebetween. The rotation position is determined accurately based on the sine wave signal and the cosine wave signal of the same amplitude, even if the amplifiers have different operation characteristics. | 10-08-2009 |
| 20090287444 | Coordinate measuring machine - A coordinate measuring machine includes: a probe provided with a measurement piece; a moving mechanism that effects a scanning movement of the probe; and a host computer for controlling the moving mechanism. The host computer includes a displacement acquiring unit for acquiring a displacement of the moving mechanism and a measurement value calculating unit for calculating a measurement value. The measurement value calculating unit includes a correction-amount calculating unit for calculating a correction amount for correcting a position error of the measurement piece and a correcting unit for correcting the position error of the measurement piece based on the displacement of the moving mechanism and the correction amount. The correction-amount calculating unit calculates a translation-correction amount for correcting a translation error of the probe at a reference point on the probe and a rotation-correction amount for correcting a rotation error of the probe according to a rotation angle of the probe around the reference point and a length of the probe from the reference point to the measurement piece. | 11-19-2009 |
| 20090326849 | HYSTERESIS COMPENSATION IN A COORDINATE MEASUREMENT MACHINE - A coordinate measuring machine compensates for hysteresis error caused by friction at the non-driven end of the bridge. The bridge may have a single drive and/or a single scale. The methods, systems, and apparatuses compensate for errors in the x-direction and/or errors in the y-direction caused by rotation of the bridge. Some embodiments compensate for hysteresis errors in the x-direction caused by a vertically-movable ram. | 12-31-2009 |
| 20090326850 | COORDINATE CALCULATION APPARATUS AND STORAGE MEDIUM HAVING COORDINATE CALCULATION PROGRAM STORED THEREIN - A game apparatus obtains data from an input device including at least a gyroscope, and calculates a two-dimensional coordinate point corresponding to the data. The game apparatus includes orientation calculation means and coordinate calculation means. The orientation calculation means calculates an orientation of the input device in accordance with an angular rate detected by the gyroscope. The coordinate calculation means calculates the two-dimensional coordinate point, wherein the two-dimensional coordinate point represents coordinates of an intersection R between a line segment continuing from a vector VZ representing the orientation of the input device within a predetermined space and a predetermined plane within the predetermined space. | 12-31-2009 |
| 20100082281 | CALIBRATION DEVICE FOR ON-VEHICLE CAMERA - A calibration device for an on-vehicle camera includes an image receiving portion receiving an image of an area around a vehicle taken by an on-vehicle camera, a viewpoint transformation portion performing a viewpoint transformation on the image to obtain a transformed image, a region setting portion setting a recognition target region on the transformed image according to coordinates of the calibration index set in accordance with vehicle models, where the recognition target region includes therein the calibration index, a calibration point detecting portion detecting a calibration point positioned within the calibration index included in the recognition target region, and a calibration calculating portion calibrating the on-vehicle camera in accordance with coordinates of the calibration point in a reference coordinate system and in accordance with coordinates of the calibration point in a camera coordinate system. | 04-01-2010 |
| 20100088055 | SYSTEM AND METHOD FOR POSITIONING A COORDINATE SYSTEM IN RELATION TO A WORKPIECE ON A MEASUREMENT MACHINE - A computer-implemented method for positioning a coordinate system in relation to a workpiece receives positioning elements including feature elements selected from the workpiece. A normal vector of a first axis, an origin, a normal vector of a second axis are determined according to the positioning elements. A positioned coordinate system is generated according to the normal vectors of the first axis and the second axis, and the origin, for positioning the coordinate system. | 04-08-2010 |
| 20100088056 | JIG, METHOD AND DATA GENERATING APPARATUS FOR CALIBRATING SPECTACLE FRAME SHAPE MEASURING APPARATUS, SPECTACLE FRAME SHAPE MEASURING APPARATUS AND SPECTACLE FRAME SHAPE MEASURING CALIBRATING SYSTEM - To provide a calibration jig which can perform three-dimensional calibration of measurement errors in a spectacle frame shape measuring apparatus. | 04-08-2010 |
| 20100153051 | Locating A Component Underneath A Surface Of A Target Object And Locating An Access Panel For Accessing The Component - A first method locates a component positioned underneath a surface of a target object using a pointing instrument, wherein a position of the component in the target object coordinate system is known. The first method includes calculating an orientation of the aim point axis of the instrument in the instrument coordinate system for the aim point axis of the instrument to be aligned with the component using at least an inverse calibration matrix, the position of the component in the target object coordinate system, and inverse kinematics of the instrument. The first method also includes rotating the aim point axis of the instrument to the calculated orientation. Second and third methods also are described for locating an access panel for accessing the component and/or maintenance zones in which the component resides. | 06-17-2010 |
| 20100174504 | COORDINATE MEASURING MACHINE - A coordinate measuring machine includes: a probe that has a contact point capable of movement within a predetermined range; a movement mechanism for moving the probe; and a controller for controlling the movement mechanism. The controller has a measurement value calculating unit for calculating a position of the contact point based on a displacement of the movement mechanism and a displacement of the probe. The measurement value calculating unit includes: a correction parameter calculator for calculating a correction parameter for correcting the displacement of the probe based on a measurement condition in measuring an object; a corrector for correcting the displacement of the probe based on the correction parameter; and a displacement synthesizing unit that synthesizes the displacement of the movement mechanism and the displacement of the probe corrected by the corrector to calculate the position of the contact point. | 07-08-2010 |
| 20100198543 | DEVICE AND METHOD FOR SETTING OUT CONTOURS, POINTS OR WORKS AND A GUIDING DEVICE FOR USE THEREWITH - A device, a method and a guiding device for setting out contours, points or works, comprising a computer-controlled measuring device provided with a movable measuring probe and a portable base unit provided with a rotatably supported elongate arm. The measuring probe is connected to the measuring device by means of a cord or a wire via the elongate arm, and the measuring device is provided with sensors for measuring a length or a change in the length of the cord or the wire and rotation of the arm in at least one degree of freedom for providing position data of the measuring probe. A guiding device communicatively connected to the measuring device is designed for providing guidance for positioning the measuring probe for the purpose of reducing a difference between a measured position of the measuring probe and a desired position of the measuring probe in accordance with a contour, point or work to be set out. In an embodiment of the guiding device, the guidance is displayed on a graphic display screen in relation to an image representing the cord or the wire and/or in relation to a determined relative position of the guiding device with respect to the measuring probe and/or the base unit of the measuring device, which makes it easier for a user to work with the device. | 08-05-2010 |
| 20100241385 | METHOD AND SYSTEM FOR MEASUREMENT AND CORRECTION OF THERMALLY INDUCED CHANGES OF BORESIGHT, EFFECTIVE FOCAL LENGTH, AND FOCUS - A method and system are for measuring and correcting shifts in the boresight, effective focal length, and focus of an optical system that are caused by temperature variations. The method can be used for systems which can be expected to operate in situations where the temperature variations are large, e.g. a FLIR system of a fighter plane, and also where the temperature variations can be very small however high accuracy is needed. The invention is based on placing radiation emitting sources before and as close as possible to the first optical element of the optical system and measuring the thermally induced shifts of the locations of the images of the radiation emitting sources on the surface of the detector of the optical system. | 09-23-2010 |
| 20100241386 | Method of Correcting Coordinates, and Defect Review Apparatus - The present invention provides a method of correcting coordinates so as to quickly and properly arrange a sample in a field of view in a review apparatus for moving a sample stage onto the specified coordinates to review the sample. A review apparatus according to the present invention, which is a review apparatus for moving a sample stage onto coordinates previously calculated by a checking apparatus to review the sample, has a function of retaining a plurality of coordinate correction tables to correct a deviation between a coordinate value previously calculated by a checking apparatus and an actual sample position detected by the review apparatus. The review apparatus evaluates correction accuracy of the plurality of coordinate correction tables and applies one of the coordinate correction tables with the maximum evaluation value. | 09-23-2010 |
| 20100250178 | CORRECTED BALL DIAMETER CALCULATING METHOD AND FORM MEASURING INSTRUMENT - A corrected ball diameter calculating method includes: preparing a reference gauge that has at least one reference peripheral surface of an outer peripheral surface and an inner peripheral surface; valuing of diameter values of the reference peripheral surface at a plurality of different height positions from a bottom surface of the reference gauge; calculating calibrated diameter values per each of the height positions; placing the reference gauge on the rotary table and causing the stylus tip to touch a plurality of measurement sites on the reference peripheral surface at each of the height positions to calculate measured diameter values that are diameter values of a circle passing through the neighborhood of center points of the stylus tip; and calculating the corrected ball diameters per each of the height positions from the calibrated diameter values and the measured diameter values that are calculated per each of the height positions. | 09-30-2010 |
| 20100286941 | METHOD FOR COMPENSATING MEASUREMENT ERRORS CAUSED BY DEFORMATIONS OF A MEASURING MACHINE BED UNDER THE LOAD OF A WORKPIECE AND MEASURING MACHINE OPERATING ACCORDING TO SAID METHOD - A method of compensating the measurement errors of a measuring machine that derive from the deformations of the machine bed caused by the load exerted by the workpiece to be measured on the machine bed, comprising a first acquisition step in which data regarding the weight of the workpiece and the modes of resting of the workpiece on the machine bed are acquired, and a second calculation step in which correction values depending upon said data are calculated. | 11-11-2010 |
| 20100299094 | THERMAL DEFORMATION ERROR COMPENSATION METHOD FOR COORDINATE MEASURING MACHINE - A thermal deformation error compensation method for a coordinate measuring machine creates thermal deformation and geometric error data at different ambient temperatures including temperatures and machine kinematic parameters to obtain a thermal deformation and geometric error model, and inputs the model into central control unit of the coordinate measuring machine, and converts a 3D error compensation to obtain a thermal deformation and geometric error compensation model, and uses the thermal deformation and geometric error compensation model for performing compensations, so as to complete a thermal deformation and geometric error compensation of the coordinate measuring machine. | 11-25-2010 |
| 20100312511 | Method, System and Computer Program Product for Correcting Software Keyboard Input - A method for correcting software keyboard input includes the following steps. A first set of touch coordinates from a user is obtained. The first set of touch coordinates includes a first horizontal touch coordinate and a first vertical touch coordinate. A horizontal calibration model and a vertical calibration model are obtained from a calibration database. The first horizontal touch coordinate and the first vertical touch coordinate are substituted into the horizontal calibration model and the vertical calibration model respectively to calculate a set of calibrated coordinates. The set of calibrated coordinates is compared with a set of center coordinates to determine a desired user input. A computer program product using the method and a system for correcting software keyboard input are also disclosed herein. | 12-09-2010 |
| 20110010122 | CALIBRATING SEPARATELY LOCATED CAMERAS WITH A DOUBLE SIDED VISIBLE CALIBRATION TARGET FOR IC DEVICE TESTING HANDLERS - A camera coordinate calibration system and method are provided. The system includes a calibration contactor having at least two fiducials. The system also includes a double sided visible calibration target. A pick and place handler is provided with a device holder having at least two fiducials, where the device holder is configured to pickup the double sided visible calibration target and place the target onto the calibration contactor. The system includes a device view camera configured to image a first side of the double sided visible calibration target inserted into the device holder, and a contactor view camera configured to image a second side of the target inserted into the calibration contactor. A processor is provided that calculates a common coordinate system for the device view camera and the contactor view camera based on the images of the first and second sides of the double sided visible calibration target. | 01-13-2011 |
| 20110040514 | METHOD FOR CALIBRATING A COORDINATE MEASURING MACHINE - A reference measurement object having known properties is used for the purpose of calibrating a coordinate measuring machine. A plurality of reference measured values are picked up on the reference measurement object. Calibration data are determined using the reference measured values and using the known properties of the reference measurement object. The calibration data comprises a first number of polynomial coefficients that are selected to correct nonlinear measuring errors using at least one polynomial transformation. The first number of polynomial coefficients is reduced in an iterative method to a lesser second number, with a plurality of pairs of polynomial coefficients being formed and with a polynomial coefficient of a pair being eliminated in each case when a statistical dependence between the polynomial coefficients of the pair is greater than a defined threshold value. | 02-17-2011 |
| 20110046909 | SYSTEM AND METHOD FOR CALCULATING OBSERVATIONAL ERRORS OF A COORDINATE MEASURING MACHINE - A system and method for calculating an observational error of a coordinate measuring machine includes receiving measuring parameters input by a user, obtaining observational errors of the ruler from a storage system, and identifying the zero mark of the ruler. A direction of the ruler is adjusted to be substantially parallel to the measuring direction of the measuring parameters, controlling the coordinate measuring machine to measure the ruler according to the measuring parameters, obtaining measured data. Observational error of the coordinate measuring machine is calculated according to the measured data, which is stored in the storage system. | 02-24-2011 |
| 20110054821 | METHOD OF COMPENSATING MEASUREMENT ERRORS OF A MEASURING MACHINE DERIVING FROM THE DEFORMATIONS OF THE MACHINE BED CAUSED BY THE LOAD EXERTED BY THE MOBILE UNIT OF THE MACHINE ON THE MACHINE BED, AND MEASURING MACHINE OPERATING ACCORDING TO SAID METHOD - A method of compensating the measurement errors of a measuring machine deriving from the deformations of a machine bed of the machine caused by the load exerted by a mobile unit of the machine on the machine bed, comprising a first acquisition step in which first data regarding the conditions of resting mode of a workpiece on the machine bed are acquired, a second acquisition step in which second data regarding the deformation of the machine bed as the position of the mobile unit of the machine varies are acquired, and a third calculation step in which correction values depending upon said first and second data are calculated. | 03-03-2011 |
| 20110098960 | CHARGED PARTICLE BEAM DEVICE - Provided is a charged particle beam device wherein a secondary signal generated from an alignment pattern having known coordinate values in a sample coordinate system is detected, and a positional deviation quantity between the coordinate system of a sample ( | 04-28-2011 |
| 20110112786 | CMM WITH IMPROVED SENSORS - A method of operating an articulated arm CMM is provided. One or more coordinates on an object can be measured with the articulated arm CMM. At least one of the encoders can then be at least partially powered-off. The encoder can then be powered on and one or more coordinates on the same object can be measured without recalibrating the encoder. | 05-12-2011 |
| 20110112787 | SYSTEMS AND METHODS FOR DETERMINING LOCATIONS OF BURIED OBJECTS - A method is provided for reporting location of a buried object detected by a utility locator device. The method includes: determining location of a buried object using electromagnetic field emissions emitted from a utility locator device, determining global coordinates for the location of the buried object using a global positioning system (GPS), determining an accuracy measure for the global coordinates using the accuracy of the location determined by the locator and the accuracy of the GPS; and reporting the global coordinates for the buried object, along with the accuracy measure, to an operator of the utility locator device. An operator of the locator may be notified when the accuracy measure for the global coordinates exceeds a tolerance for reporting the location of the buried object. | 05-12-2011 |
| 20110161035 | INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD AND COMPUTER READABLE MEDIUM - An information processing apparatus includes: a receiving device receiving a distribution data series; first adjusting device adjusting first function parameter set to reduce an error, the first function parameter set specifying the position of the extreme value, and the ratio of a value at first distance on the coordinate axis from the position of the extreme value in first direction to the extreme value; second adjusting device adjusting second function parameter set to reduce an error, the second function parameter set specifying the position of the extreme value, and the ratio of a value at second distance on the coordinate axis from the position of the extreme value in second direction to the extreme value; a calculator calculating a characteristic coefficient identifying a Pearson function from a moment of a function including the first and second functions; and a distribution data calculator for calculating distribution data by a Pearson function. | 06-30-2011 |
| 20110178753 | Portable Articulated Arm Coordinate Measuring Machine and Integrated Environmental Recorder - A portable articulated arm coordinate measurement machine (AACMM) that includes a manually positionable articulated arm, a measurement device attached to a first end of the AACMM, and an electronic circuit for receiving the position signal and for providing data corresponding to a position of the measurement device. The AACMM further includes an environmental recorder. The environmental recorder includes a sensor for outputting a value of a parameter, a memory, and logic executable by the environmental recorder to implement a method. The method includes monitoring the value of the parameter, and determining that the value of the parameter is outside of a programmable threshold. The value of the parameter and a timestamp are stored in the memory in response to the value of the parameter being determined to be outside of the programmable threshold. The contents of the memory are transmitted to the electronic circuit. | 07-21-2011 |
| 20110178754 | Portable Articulated Arm Coordinate Measuring Machine Having Integrated Software Controls - A portable articulated arm coordinate measurement machine (AACMM) having integrated software controls. The AACMM includes a manually positionable articulated arm portion having opposed first and second ends, the arm portion including a plurality of connected arm segments, each of the arm segments including at least one position transducer for producing position signals. The AACMM also includes a measurement device attached to the first end of the AACMM, and an electronic circuit having a self-contained operating environment for the AACMM. The self-contained operating environment includes a user interface application, an application programming interface, and logic. The logic is configures for performing data collection including receiving position signals from the transducers, calculating data corresponding to a position of the measurement device, the calculating responsive to the position signals, and outputting the data to at least one of the user interface application and the application programming interface. | 07-21-2011 |
| 20110178755 | Portable Articulated Arm Coordinate Measuring Machine and Integrated Electronic Data Processing System - Implementing a portable articulated arm coordinate measuring machine includes receiving a first request to perform a function. The portable AACMM includes a manually positionable articulated arm portion having opposed first and second ends, the arm portion including a plurality of connected arm segments, each arm segment including at least one position transducer for producing a position signal, a measurement device attached to a first end of the AACMM, and an electronic circuit which receives the position signals from the transducers and provides data corresponding to a position of the measurement device. Implementing the portable articulated arm coordinate measuring machine also includes identifying a source device from which the first request is received, implementing the function pursuant to the first request, selecting a destination device as the source device of the first request by identifying from which of a first and second port the first request is received, and transmitting information derived from implementing the function to the destination device. | 07-21-2011 |
| 20110184685 | POSITION CALIBRATION INFORMATION COLLECTING APPARATUS, POSITION CALIBRATION INFORMATION COLLECTING METHOD, AND POSITION CALIBRATION INFORMATION COLLECTING PROGRAM - A person is detected by an observer device. A person detection history is recorded in a person detection history database. A position where the person is detected for the first time is estimated by a first-time detection position estimating unit, to be stored in a first-time detection position history database. The position of the door of the room in terms of local coordinates is estimated by a doorway position estimating unit. The calibration information as to the position of the observer device is calculated by a position calibration information calculating unit based on the door position in terms of local coordinates and that in terms of global coordinates. | 07-28-2011 |
| 20110202300 | METHOD FOR CREATING CORRECTION PARAMETER FOR POSTURE DETECTING DEVICE, DEVICE FOR CREATING CORRECTION PARAMETER FOR POSTURE DETECTING DEVICE, AND POSTURE DETECTING DEVICE - A turntable ( | 08-18-2011 |
| 20110246115 | METHOD FOR CALCULATING PROBE MOUNTING POSITION IN ON-MACHINE MEASURING DEVICE - A measurement program is created for measurement performed by moving X- and Z-axes so that a central axis of a probe is perpendicular to the surface of a reference sphere, and errors are obtained between original probe position data and probe position data obtained by measurement performed at two different angles θ | 10-06-2011 |
| 20110251814 | DISTORTION-IMMUNE POSITION TRACKING USING REDUNDANT MEASUREMENTS - A method for tracking a position of an object includes using a field sensor associated with the object to measure field strengths of magnetic fields generated by two or more field generators, wherein a measurement of at least one of the field strengths is subject to a distortion. Rotation-invariant location coordinates of the object are calculated responsively to the measured field strengths. Corrected location coordinates of the object are determined by applying to the rotation-invariant location coordinates a coordinate correcting function so as to adjust a relative contribution of each of the measured field strengths to the corrected location coordinates responsively to the distortion in the measured field strengths. | 10-13-2011 |
| 20110251815 | DISTORTION-IMMUNE POSITION TRACKING USING REDUNDANT MEASUREMENTS - A method for tracking a position of an object includes using a field sensor associated with the object to measure field strengths of magnetic fields generated by two or more field generators, wherein a measurement of at least one of the field strengths is subject to a distortion. Rotation-invariant location coordinates of the object are calculated responsively to the measured field strengths. Corrected location coordinates of the object are determined by applying to the rotation-invariant location coordinates a coordinate correcting function so as to adjust a relative contribution of each of the measured field strengths to the corrected location coordinates responsively to the distortion in the measured field strengths. | 10-13-2011 |
| 20110320155 | TRACK INFORMATION GENERATING DEVICE, TRACK INFORMATION GENERATING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - Track information generating devices, methods, and programs acquire a self-contained navigation track of a vehicle indicated by time-series pieces of self-contained navigation information, and acquire a GPS track of the vehicle indicated by time-series pieces of GPS information. The devices, methods, and programs compare the self-contained navigation track with the GPS track to correct the self-contained navigation information so as to reduce a difference between the self-contained navigation track and the GPS track. | 12-29-2011 |
| 20110320156 | TRACK INFORMATION GENERATING DEVICE, TRACK INFORMATION GENERATING METHOD, AND COMPUTER-READABLE STORAGE MEDIUM - Track information generating devices, methods, and programs acquire a self-contained navigation track of a vehicle indicated by time-series pieces of self-contained navigation information, acquire a matching track of the vehicle indicated by time-series pieces of information determined through a map matching process is determined as a road the vehicle is traveling, and acquire a degree of reliability of the matching track. The devices, methods, and programs acquire a GPS track that is a track of the vehicle indicated by time-series pieces of GPS information, acquire a degree of reliability of the GPS track, and set the one of the GPS track and the matching track having a higher degree of reliability as a correction target track to correct the self-contained navigation information so as to reduce a difference between the self-contained navigation track and the correction target track. | 12-29-2011 |
| 20120022820 | METHOD FOR INERTIAL NAVIGATION UNDER WATER - The invention relates to a method for underwater navigation, particularly for scuba divers, and for autonomous, manned, or remote-controlled underwater vessels, wherein the signals of at least one sensor, comprising at least one acceleration sensor for determining the actual position, are integratively analyzed, accuracy is improved by means of the use of reference measurements, and a correction is carried out by way of a correction vector obtained from the transformation of the vector of the accelerations measured by the acceleration sensor in the diving computer coordinate system into the global coordinate system, the comparison to at least one of the reference measurement values, the determination of the deviation and the reverse transformation of the deviation to the diving computer coordinate system. | 01-26-2012 |
| 20120029857 | INDUSTRIAL MACHINE - A coordinate measuring machine (industrial machine) includes: a column and a support that extend along the Z-axis; a beam being provided between the column and the support; a slider being movable on the beam; a ram being held on the slider movably along the Z-axis direction; a temperature detecting sensor and a temperature detector that detect the respective temperatures of the column, the support and the ram; and a shift amount calculator that calculates a Z-axis shift amount based on the respective temperatures of the column, the support and the ram, reference position data indicating a positional relationship between the column, the support and the ram at a reference temperature, and respective thermal expansion coefficients for the column, the support and the ram. | 02-02-2012 |
| 20120065914 | OPTICAL DETECTION SYSTEM, ELECTRONIC DEVICE AND PROGRAM - An optical detection system includes: a coordinate information detecting section which detects coordinate information of an object on the basis of a light reception result of reflection light obtained by reflecting irradiation light from the object; and a calibrating section which performs a calibration process for the coordinate information. The coordinate information detecting section detects at least Z coordinate information which is the coordinate information in a Z direction in a case where a detection area which is an area where the object is detected is set in a target surface along an X-Y plane, and the calibrating section performs the calibration process for the Z coordinate information. | 03-15-2012 |
| 20120072156 | METHOD OF CORRECTING MEASUREMENT DATA OF A COORDINATE MEASURING MACHINE AND A COORDINATE MEASURING MACHINE - A method according to the invention includes measuring respective geometric errors that occur in a three-dimensional movement mechanism when different weights are applied to a ram, storing in a storage section respective correction parameters for correcting the respective geometric errors measured for the different weights, inputting weight information of a probe attached to the ram, reading from the storage section one of the correction parameters that corresponds to the inputted weight information, and correcting measurement data with the read correction parameter. | 03-22-2012 |
| 20120078562 | GEOMAGNETIC SENSING DEVICE - A controller includes a calibration unit, an offset error correcting unit, an operation unit, and the like. The calibration unit obtains a reference point of an output of a magnetic sensor, and performs offset correction. The offset error correcting unit is capable of performing operation processing for both the correction of a major offset error and the correction of a minor offset error by using a radius (the magnitude of a geomagnetic vector) of a virtual circle or a virtual sphere, appropriately and easily correcting the offset error with a small amount of operation, and reducing the burden to the controller. | 03-29-2012 |
| 20120203485 | ROBOTICALLY CONTROLLED CATHETER AND METHOD OF ITS CALIBRATION - A method of calibrating a robotic device, such as a cardiac catheter, including oscillating the device on an actuation axis by applying an oscillation vector at an oscillation frequency. While oscillating, a location of the device is periodically measured to generate a plurality of location data points, which may express the location of the device relative to a plurality of measurement axes. The location data points are then processed using a signal processing algorithm, such as a Fourier transform algorithm, to derive a transfer function relating a position of the device to a movement vector for the actuation axis. The transfer function may be resolved into and expressed as a calibration vector for the actuation axis, which may include one or more components, including zero components, directed along each of the measurement axes. The process may be repeated for any actuation axes on which calibration is desired. | 08-09-2012 |
| 20120245877 | GEOMAGNETIC FIELD MEASUREMENT DEVICE, OFFSET DETERMINATION METHOD, AND COMPUTER READABLE RECORDING MEDIUM THEREFOR - A geomagnetic field measurement device has a three-dimensional magnetic sensor and a storage device that stores plural pieces of magnetic data sequentially output from the three-dimensional magnetic sensor. The geomagnetic field measurement device calculates, based on the pieces of magnetic data, a distortion estimation value indicating a degree of difference in shape between a three-dimensional figure defined so that the plural sets of coordinates indicated respectively by the plural pieces of magnetic data are distributed adjacent to a surface thereof and a spherical surface, and determines whether there is distortion in the shape of the three-dimensional figure based on the distortion estimation value, to update an offset for correcting each of the plural pieces of the magnetic data in a case in which it is determined that there is no distortion. | 09-27-2012 |
| 20120259573 | METHOD OF AND APPARATUS FOR ASCERTAINING THE FINE POSITION VALUE OF A MOVABLE BODY - A position sensor for ascertaining the fine position value z of a movable body includes an exciter unit moving therewith and a stationary sensor unit ( | 10-11-2012 |
| 20130030747 | METHOD AND SYSTEM FOR CALIBRATING A LIGHT BASED POSITIONING SYSTEM - In one aspect the present disclosure relates to a method for manually calibrating a light based positioning system in a location. In some embodiments, the method includes providing a map of positions of a plurality of light sources in the location; while positioned under one of the plurality of light sources on the map, receiving an identification code from the light source, wherein the identification code identifies the light source; and updating the map with the identification code for the light source. In some embodiments, the light source can be a light emitting diode. | 01-31-2013 |
| 20130090877 | LITHOGRAPHY TOOL ALIGNMENT CONTROL SYSTEM - Described herein are methods and systems for aligning a wafer using a wafer leveling map with alignment marks. A set of alignment marks can be selected to create overlay correction parameters to realign the wafer. Alignment marks that are near wafer leveling hotspots, or alignment marks that have poor reproducibility are not selected for realignment purposes. The wafer leveling data is used to determine which alignment marks have poor reproducibility and can create an unstable offset. The wafer leveling data identifies areas on the wafer that are uneven. Only alignment marks which have a stable offset are used to calculate the associated overlay correction parameters. | 04-11-2013 |
| 20130090878 | METHOD FOR RECALIBRATING COORDINATE POSITIONING APPARATUS - A method and corresponding apparatus are described for recalibrating coordinate positioning apparatus after a disturbance, such as a stylus replacement. The coordinate positioning apparatus includes a platform, a measurement probe and a probe head for reorienting the measurement probe relative to the platform. A calibration data set is taken for the coordinate positioning apparatus that includes datum data for a plurality of orientations of the measurement probe. The datum data includes at least first datum data for a first nominal orientation of the measurement probe. After a disturbance to the coordinate positioning apparatus, the calibration data set is updated by acquiring one or more position measurements and calculating a first correction from the one or more position measurements. The first correction describes any change in the first datum data following the disturbance and is used | 04-11-2013 |
| 20130138378 | COMPUTING DEVICE AND METHOD FOR COMPENSATING FOR PERPENDICULAR ERRORS OF THREE-COORDINATE MEASURING MACHINES - In a computing device and method for compensating for perpendicularity errors of a three-coordinate measuring machine, coordinates of touched points on an X-axis, a Y-axis, and a Z-axis of the three-coordinate measuring machine are acquired and respectively recorded into an X array, a Y array, and a Z array. A perpendicular error Axy of the X-axis and the Y-axis, a perpendicular error Axz of the X-axis and the Z-axis, and a perpendicular error Ayz of the Y-axis and the Z-axis using the X array, the Y array, and the Z array are computed using the X array, the Y array, and the Z array. The perpendicular errors Axy, Axz and Ayz then stored into a compensation record for later use. | 05-30-2013 |
| 20130173199 | METHOD OF CALIBRATION OF A MATHEMATICAL MODEL OF A COORDINATE MEASURING MACHINE FOR THE COMPENSATION OF DYNAMIC ERRORS DUE TO DEFORMATION - A method of calibration of a mathematical model for the compensation of errors due to dynamic deformation of a measuring machine equipped with a mobile unit able to move a stylus probe in un measuring volume, wherein the model provides, in response to at least one input quantity correlated with a control signal of said drive means, a plurality of output quantities comprising at least one component of the measurement error introduced by the deformation and at least one quantity detected by a laser sensor and correlated with the deformation. In the calibration step, the mobile unit is subjected to a movement cycle constituted by small-amplitude oscillations of variable frequency, following the law of sinusoidal motion, keeping the tip of the probe blocked; during the movement cycle, the input and output quantities are sampled and supplied to an algorithm for model identification. | 07-04-2013 |
| 20130185010 | MEASUREMENT COORDINATE CORRECTION METHOD AND COORDINATE MEASURING APPARATUS - A measurement coordinate correction method correcting the measurement coordinates of a work piece placed on a base, in which the measurement coordinate correction method includes a weight acquiring step, a position acquiring step, and a correcting step. The weight acquiring step acquires information related to the weight of the work piece. The position acquiring step acquires information related to the position of the work piece on the base. The correcting step corrects the measurement coordinates of the work piece based on the weight and position of the work piece. | 07-18-2013 |
| 20130238272 | TOUCH TRIGGER PROBE - A touch trigger probe is used to determine whether contacts with a workpiece and contains a sleeve, a sensing segment and a transmitting segment. The sleeve extends along an axial direction and includes a first chamber and a second chamber communicating with the first chamber. The sensing segment includes a sensing end extending out of the sleeve and a driving end far from the sensing end. The transmitting segment is pushed by the driving end to move in the second chamber to a triggering position from an original position relative to the sleeve, and includes a driven end protruded axially and capable of contacting with the driving end. Thereby, as the touch trigger probe of the invention has a swing sensing travel for lateral contact and an elevation sensing travel for longitudinal contact, excessive sensing elements can be avoided to lower production costs and obtain positioning precision. | 09-12-2013 |
| 20130253871 | METHOD FOR MEASURING A ROTARY AXIS OF A MACHINE TOOL SYSTEM - The present disclosure includes a method for use on a machine tool system having a controller, three linear axes of motion and at least one rotary axis, for determining the orientation of the rotary axis relative to the linear axes, including mounting a sphere to a system component that rotates about the rotary axis, rotating the component to move the sphere to at least three positions about the rotary axis, measuring a center of the sphere at each of the positions by using the controller to move a probe mounted to a spindle of the system into contact with the sphere, computing, using the controller, a plane fitting the center measurements, and computing, using the controller, a vector normal to the plane passing through a center of rotation of an arc lying in the plane and fitting the center measurements, the vector corresponding to the orientation of the rotary axis. | 09-26-2013 |
| 20140107958 | CALIBRATION APPARATUS, CALIBRATION METHOD, AND MEASUREMENT APPARATUS - The present invention provides a calibration apparatus for calibrating an optical apparatus, which has a scanning member and scans light on an object by rotating the scanning member, including a target member including a region irradiated with light from the scanning member, an obtaining unit configured to obtain a light amount of light reflected by the region, and a processing unit configured to execute processing for calculating a calibration value required to calibrate a rotation angle of the scanning member, wherein the region is configured to be nonplanar so that a light amount obtained by the obtaining unit changes according to a light irradiation position. | 04-17-2014 |
| 20140107959 | ELECTRON BEAM APPARATUS FOR INSPECTING A PATTERN ON A SAMPLE USING MULTIPLE ELECTRON BEAMS - An electron beam apparatus for inspecting a pattern on a sample using multiple electron beams includes a plurality of primary electro-optical systems and a plurality of secondary electro-optical systems associated with the respective primary electro-optical systems. The primary electro-optical systems are for irradiating multiple primary electron beams on a surface of the sample, and each includes an electron gun having an anode and an objective lens. The secondary electro-optical systems are for inducing secondary electrons emitted from a surface of the sample by irradiation of the primary electron beams. Detectors are each for detecting the secondary electrons and generating electric signals corresponding to the detected electrons. The anodes of the electron guns of the primary electro-optical systems comprise an anode substrate in common having multiple holes corresponding to the axes of the respective primary electro-optical systems. The anode substrate has metal coatings around the respective holes. | 04-17-2014 |
| 20140163915 | METHOD AND APPARATUS FOR TUNING TRAJECTORY MODEL OF BALL - Provided are a method and apparatus for tuning a trajectory model of a ball. The method includes generating a real trajectory of the ball based on a difference among a plurality of flight images for the ball, calculating kinetic characteristics of the ball based on the real trajectory, correcting at least one of the kinetic characteristics and a characteristic coefficient of the ground based on the real trajectory, and tuning a ball simulation trajectory based on the corrected at least one of the kinetic characteristics and the characteristic coefficient of the ground. A trajectory after the ball collides with the ground can be accurately generated. | 06-12-2014 |
| 20140180620 | Calibration Artifact and Method of Calibrating a Coordinate Measuring Machine - A first artifact for use in calibrating a machine-vision coordinate measurement machine includes a body with two targets at opposing ends of the body. The targets are separated by a fixed distance, and are visible to and recognizable by a camera in the coordinate measurement machine. The machine is configured to sequentially move the camera to locations above each target, and record each such camera position. As such, the artifact is useful in assessing the accuracy and calibration of the machine. | 06-26-2014 |
| 20140207401 | APPARATUS FOR RECOGNIZING MOTION FEATURE OF USER, METHOD FOR GENERATING ORTHOGONAL NON-NEGATIVE MATRIX FACTORIZATION (ONMF)-BASED BASIS MATRIX, AND METHOD FOR GENERATING ORTHOGONAL SEMI-SUPERVISED NON-NEGATIVE MATRIX FACTORIZATION (OSSNMF)-BASED BASIS MATRIX - An apparatus for recognizing a user's motions based on sensor information and label information, a method for establishing an ONMF-based basis matrix, and a method for establishing an OSSNMF-based basis matrix are provided, where the basis matrices are used to extract motion features of the user. The apparatus for recognizing the user's motions may include a feature vector extractor configured to multiply a transposed matrix of an orthogonalized basis matrix by a sensor data matrix of frequency domain sensor data acquired from sensors to extract an ONMF-based feature vector and a multi-class classifier configured to use the extracted ONMF-based feature vector to classify the user's motion into a type from among types of a user's motions. | 07-24-2014 |
| 20140236518 | Systems and Methods for Low Latency 3-Axis Accelerometer Calibration - Systems and methods for low-latency calibration of the alignment of 3-axis accelerometers in accordance embodiments of the invention are disclosed. In one embodiment of the invention, a telematics system includes a processor, an acceleration sensor, a velocity sensor, and a memory configured to store an acceleration alignment application, wherein the acceleration alignment application configures the processor to determine vehicular forward acceleration information and vehicular lateral acceleration information, calculate a lateral acceleration vector, a forward acceleration vector, and a vertical acceleration vector using a forward incline vector and a lateral incline vector determined using the vehicular forward acceleration information and vehicular lateral acceleration information. | 08-21-2014 |
| 20140236519 | Systems and Methods for 3-Axis Accelerometer Calibration with Vertical Sample Buffers - Systems and methods for the calibration of 3-axis accelerometers using vertical sample buffers in accordance embodiments of the invention are disclosed. In one embodiment, a telematics system includes a processor, an acceleration sensor, a velocity sensor, and a memory configured to store an acceleration alignment application, wherein the acceleration alignment application configures the processor to receive a velocity information sample using the velocity sensor, determine vehicular acceleration information along at least one vehicle axes using the velocity information sample, receive at least one acceleration sensor acceleration information sample using the acceleration sensor, determine a plurality of vertical vector samples using the vehicular acceleration information, calculate an average vertical vector sample using at least one of the vertical vector samples, and calibrate at least one of the vehicle axes to an acceleration sensor axis using the vehicular acceleration information, the acceleration sensor acceleration sample, and the average vertical vector sample. | 08-21-2014 |
| 20140236520 | CALIBRATING AND OPERATING ROTARY DEVICES, IN PARTICULAR FOR ROTATING PROBE HEADS AND/OR PROBES OF COORDINATE MEASURING MACHINES - A measuring arrangement is calibrated for determining rotational positions of a rotary device that has a first part and a second part which can be rotated relative to the first part about a rotational axis. Rotational positions of the first part relative to the second part and/or rotational positions of the second part relative to the first part are detected using a plurality of sensors distributed about the rotational axis. A respective measurement signal corresponding to each detected rotational position is generated such that redundant information on the rotational positions of the first part and the second part relative to each other is provided. The redundant information on the rotational position(s) are analyzed such that effects of a translational movement of the first and the second part relative to each other are corrected, the translational movement running transverse to the extension of the rotational axis. | 08-21-2014 |
| 20140257733 | COORDINATE MEASUREMENT DEVICE AND METHOD FOR CHECKING INSTALLATION POSITION OF EACH PROBE OF STAR PROBER - In a method for checking installation positions of probes of a star prober using a coordinate measurement device, the star prober is fixed vertically on a platform and supported by a movable arm, and a standard ball placed on the platform. The first probe measures a first point on a top surface of the standard ball, and the second probe measures a second point on the top surface of the standard ball. An X-Y coordinate system based on the first and second points is established, and a value of any deviation angle between the first probe and the second probe is calculated based on the X-Y coordinate system. The information is displayed for indicating whether the installations of the first and second probes are precise or not according to any deviation value, and the respective installations of the other individual probes are checked against the X-Y coordinate system. | 09-11-2014 |
| 20140278182 | Reduction of Altitude Error Using Forecasted Atmospheric Pressure Data - A technique for reducing altitude error involves determining a corrected altitude for an aircraft using forecast atmospheric pressure data available, for example, from a weather forecasting service. The forecast atmospheric pressure data includes, for a number of points in time and for a number of geographic locations, a set of pressure levels and corresponding altitude values. Altitude correction data is periodically calculated from the forecast atmospheric pressure data for each of a number of geographic grid points. Upon receiving aircraft position information and an aircraft altitude measurement for an aircraft, one or more of the geographic grid points corresponding to the aircraft position are identified, and a corrected altitude of the aircraft is determined based on the altitude correction data of the one or more geographic grid points. | 09-18-2014 |
| 20140303925 | METHOD AND DEVICE FOR CALIBRATING A MAGNETOMETER USING PARTIAL SAMPLING - A method and device for calibrating a magnetometer device. In an embodiment, the present invention provides a method to automatically calibrate a magnetometer device in the background with only limited movement in each of the three axis (approximately 20 degrees in each direction). A device implementing the present method will never get stuck in a lock-up state. Embodiments of the present invention provide a conservative and accurate magnetometer status indicator that is essential for indoor navigation using inertial sensors. The implemented algorithm is relatively low computationally intensive and is intelligent enough to know when it has the right kind and right amount of magnetic data before it initiates a calibration. | 10-09-2014 |
| 20140350881 | ANGLE MEASURING DEVICE AND METHODS FOR CALIBRATION - The invention relates to a method for calibration of 2-axis high precision digital angle measurement device, particularly for initializing a planar angle measuring device and an apparatus to generate simultaneous two-dimensional resultant planar angles of full 360° rotation. The planar angle measurement device is, typically but not exclusively, used in concurrent two-dimensional angles leveling, setting and alignment tasks for precision machine setup in the fields of precision engineering and metrology applications. | 11-27-2014 |
| 20140365155 | COMPUTING DEVICE AND GAP ADJUSTMENT METHOD - A computing device reads outline points of a first accessory and processing points of a second accessory from a storage system. The computing device corresponds each of the processing points to one outline point, and calculates a deviation value between each of the processing points and the corresponding outline point. The computing device adjusts coordinates of the processing point according to the deviation value. | 12-11-2014 |
| 20160018207 | METHOD FOR CORRECTING AN ANGULAR DEVIATION IN THE OPERATION OF A COORDINATE MEASURING MACHINE - A method for correcting an angular deviation between a real angle and an ideal angle between motion axes of a coordinate measuring device. The angular deviation depends on position, temperature, and/or loading mass. Values of a position-dependent angular deviation for partial measurement ranges of the coordinate measuring device are determined, and/or a difference between the angular deviation in a partial measurement range and a total measurement range, and the position-dependent angular deviation is corrected by using these values. Values of the temperature-dependent angular deviation for at least two different temperatures are determined and the deviation is corrected based on these. Values of the loading-mass-dependent angular deviation for loading the coordinate measuring device with at least two different loading masses are determined in a range of loading masses and/or information is obtained for correcting the loading-mass-dependent angular deviation in a temperature range and the deviation is corrected by using one of the values or information. | 01-21-2016 |
| 20160091298 | Self-Calibrating Solar Position Sensor - A sun positioning sensor and method of accurately tracking the sun are disclosed. The sensor includes a position sensing diode and a disk having a body defining an aperture for accepting solar light. An extension tube having a body that defines a duct spaces the position sensing diode from the disk such that the solar light enters the aperture in the disk, travels through the duct in the extension tube and strikes the position sensing diode. The extension tube has a known length that is fixed. Voltage signals indicative of the location and intensity of the sun are generated by the position sensing diode. If it is determined that the intensity values are unreliable, then historical position values are used from a table. If the intensity values are deemed reliable, then actual position values are used from the position sensing diode. | 03-31-2016 |
| 20160091341 | METHOD AND APPARATUS FOR OBJECT LOCALIZATION - A method performs an auto-calibration process including a constrained optimization in which 3D coordinates of anchors in a reference frame are estimated so that an associated, estimated Gram matrix fits a Gram matrix measured from the anchors, wherein the reference frame of a network is formed based on positions of N anchors, where N is four or greater. | 03-31-2016 |
| 20160116275 | GEOMETRIC-ERROR IDENTIFICATION SYSTEM AND GEOMETRIC-ERROR IDENTIFICATION METHOD - A geometric-error identification system includes a control unit configured to identify geometric errors in a machine. The machine controls three or more translational axes and one or more rotation axes so as to perform positioning for a positional relationship between a main spindle and an object. The control unit controls the rotation axis so as to index a measurement object jig, measures an indexed position of the indexed measurement object jig on a three-dimensional space using a position measurement sensor attached to the main spindle so as to acquire a measurement value, and identifies geometric errors of the machine related to the translational axis and/or the rotation axis based on the measurement values in a plurality of positions. The control unit measures an initial position of the measurement object jig and performs calibration of the position measurement sensor using an initial measurement value acquired for measuring the initial position. | 04-28-2016 |
| 20160178371 | MAGNETIC SENSOR CALIBRATION FOR AIRCRAFT | 06-23-2016 |
